Add basic ESP8266 support

1 files changed, 40 insertions, 0 deletions

diff --git a/src/arch/esp8266/driver/gpio.cc b/src/arch/esp8266/driver/gpio.cc
new file mode 100644
index 0000000..bc236a9
--- /dev/null
+++ b/src/arch/esp8266/driver/gpio.cc
@@ -0,0 +1,40 @@
+#include "driver/gpio.h"
+extern "C" {
+#include "osapi.h"
+#include "user_interface.h"
+#include "gpio.h"
+}
+
+void ICACHE_FLASH_ATTR GPIO::setup()
+{
+	gpio_init();
+
+	// Enable GPIO2 (ESP8266 on-board LED) as output
+	PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_GPIO2);
+
+	// Enable GPIO16 (RTC out / NodeMCU on-board LED) as output
+	//WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1);
+	//WRITE_PERI_REG(RTC_GPIO_CONF, (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0);
+	//WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe) | (uint32)0x1);
+}
+
+void ICACHE_FLASH_ATTR GPIO::led_on(unsigned char id)
+{
+	gpio_output_set(0, BIT2, BIT2, 0);
+}
+
+void ICACHE_FLASH_ATTR GPIO::led_off(unsigned char id)
+{
+	gpio_output_set(BIT2, 0, BIT2, 0);
+}
+
+void ICACHE_FLASH_ATTR GPIO::led_toggle(unsigned char id)
+{
+	if (GPIO_REG_READ(GPIO_OUT_ADDRESS) & BIT2) {
+		led_on(0);
+	} else {
+		led_off(0);
+	}
+}
+
+GPIO gpio;